1792806

Information

• Patent Grant
• 1792806

• References
• Source

• Patent Number

  1,792,806

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1931
  94 years ago

• CPC

  • F21V7/04 - Optical design
  • F21S48/1177 - characterised by the shape of the filament
  • F21S48/137 - with discontinuity at the junction between adjacent areas
  • F21W2101/02 - for land vehicles

• US Classifications

  • 362 - Illumination
  • 313 - Electric lamp and discharge devices